2-Methyl-3-pentanol
2-Methyl-3-pentanol (CAS 565-67-3), with the molecular formula C6H14O and a molecular weight of 102.17 g/mol, is a secondary alcohol. This compound is noted for its use as a volatile marker in research applications. Tech Serve Solutions supplies 2-Methyl-3-pentanol with a purity of ≥99%, suitable for various chemical synthesis and laboratory needs.
- IUPAC
- Ethyl isopropyl carbinol

Volatile Marker
2-Methyl-3-pentanol has been utilised as a volatile marker in scientific studies, owing to its distinct chemical properties that allow for its detection and tracking in specific experimental setups.
Organic Synthesis
As a C2 to C6 alcohol and an organic building block, 2-Methyl-3-pentanol can serve as a reactant or intermediate in various organic synthesis pathways for the creation of more complex molecules.
Laboratory Reagent
This compound functions as a laboratory reagent, available from Tech Serve Solutions at a high purity, suitable for analytical procedures and experimental research where precise chemical composition is critical.
| Molecular weight | 102.17 |
|---|---|
| Linear formula | CH3CH2CH(OH)CH(CH3)2 |
| Assay | ≥99% |
| Boiling point | 128 °C(lit.) |
| Density | 0.819 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.417(lit.) |
| Application | 2-Methyl-3-pentanol (Ethyl isopropyl carbinol) was used as a volatile marker1. |

Hazard statements
- H226Flammable liquid and vapour
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 46 °C / 114.8 °F |
| Transport (UN / ADR) | UN 1987C 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Risk statements (R) | 10 |
| Safety statements (S) | 23-24/25 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 2-Methyl-3-pentanol used for?
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2-Methyl-3-pentanol is used as a volatile marker and in organic synthesis as a building block.
What are the CAS number and formula for 2-Methyl-3-pentanol?
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The CAS number for 2-Methyl-3-pentanol is 565-67-3, and its linear formula is CH3CH2CH(OH)CH(CH3)2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Methyl-3-pentanol with an assay of ≥99% purity. This is a technical/research grade, and TSS does not represent it as USP, BP, or EP grade.
What are the safety considerations for handling 2-Methyl-3-pentanol?
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2-Methyl-3-pentanol is a flammable liquid and vapour (H226). Handle with appropriate personal protective equipment, including eyeshields, gloves, and suitable respiratory protection, in a well-ventilated area away from ignition sources.
How is 2-Methyl-3-pentanol packed, shipped, and exported?
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2-Methyl-3-pentanol is shipped according to international regulations for hazardous materials, including proper UN classification (UN 1987C 3 / PGIII). TSS ensures compliant packaging for global export.
How can I request a quote or sample of 2-Methyl-3-pentanol?
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To request a quote or sample, please contact our sales team through the TSS website or by direct enquiry, providing your specific requirements.
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